Search Results for author: Kazuhide Fukushima

Found 3 papers, 2 papers with code

EdgePruner: Poisoned Edge Pruning in Graph Contrastive Learning

no code implementations12 Dec 2023 Hiroya Kato, Kento Hasegawa, Seira Hidano, Kazuhide Fukushima

We focus on the fact that the state-of-the-art poisoning attack on GCL tends to mainly add adversarial edges to create poisoned graphs, which means that pruning edges is important to sanitize the graphs.

Contrastive Learning Graph Representation Learning +1

SEPP: Similarity Estimation of Predicted Probabilities for Defending and Detecting Adversarial Text

1 code implementation12 Oct 2021 Hoang-Quoc Nguyen-Son, Seira Hidano, Kazuhide Fukushima, Shinsaku Kiyomoto

In terms of misclassified texts, a classifier handles the texts with both incorrect predictions and adversarial texts, which are generated to fool the classifier, which is called a victim.

Adversarial Text Classification

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